Cita APA (7th ed.)

Walia, U. S., Walia, S. S., & Kler, D. S. (2011). Science of Agronomy. Scientific Publishers (India).

Cita Chicago (17th ed.)

Walia, U. S., S. S. Walia, i D. S. Kler. Science of Agronomy. Jodhpur: Scientific Publishers (India), 2011.

Cita MLA (9th ed.)

Walia, U. S., et al. Science of Agronomy. Scientific Publishers (India), 2011.